from fdfs_client.client import Fdfs_client
from django.conf import settings
from rest_framework.generics import ListAPIView
from rest_framework.viewsets import ModelViewSet
from goods.models import SPU, Brand, GoodsCategory
from . import spu_serializers
from meiduo_admin.my_paginate import MyPageNumberPagination
from rest_framework.views import APIView
from rest_framework.response import Response
# 1,spu信息

class SPUViewSet(ModelViewSet):
    pagination_class = MyPageNumberPagination
    serializer_class =spu_serializers. SPUViewSetSerializer
    queryset = SPU.objects.all()

# spu 品牌信息
class SPUBrandSimpleView(ListAPIView):
    serializer_class = spu_serializers.SPUBrandSimpleSerializer
    queryset = Brand.objects.all()

#3,spu, 一级分类
class SPUCategoryView(ListAPIView):
    serializer_class = spu_serializers.SPUCategorySerializer
    queryset = GoodsCategory.objects.filter(parent=None).all()

#4, spu,二级,三级分类
class SPUCategorySubView(ListAPIView):
    serializer_class = spu_serializers.SPUCategorySerializer

    def get_queryset(self):
        #1,获取分类编号
        category_id = self.kwargs.get("category_id")

        #2,获取子分类
        return GoodsCategory.objects.get(id=category_id).subs.all()

# 5,图片上传

class SPUImageUploadView(APIView):
    def post(self,request):
        # 获取参数
        image = request.FILES
        # 校验参数
        if not image:
            return Response(status=400)
        # 入库（fdfs）
        client = Fdfs_client(settings.FDFS_CONFIG)
        ret = client.upload_by_buffer(image.read())

        if ret["Status"] != "Upload successed.":
            return Response(status=400)

        # 4,返回响应
        return Response({
            "img_url": settings.BASE_URL + ret.get("Remote file_id")
        })